A free app for Android, by 24SevenOffice AS.
A flexible and powerful application for businesses of any size, with all the tools you need to run your business:
CRM - a fully integrated, cloud-based solution that can track and manage contacts, leads, opportunities, and customer relations in one place. It also helps you follow up, manage reminders, track tasks, and measure your progress.
Project management - it helps you plan, track and manage projects, assign tasks and track the progress of each task. It has a simple and intuitive interface, making it easy to use for both business professionals and casual users.
Financials - it helps you track sales, purchases, and expenses, and keeps you informed of your financial status.